include reason for skip in examples .eg.ts @test_skip

[vjjft]

The following examples are skipped due to @test_skip directive, but there is no context for why the directive is applied (e.g. temporarily disabled due to external errors; high time requirement; ...).

• https://github.com/paritytech/capi/blob/main/examples/xcm/asset_teleportation.eg.ts#L6
• https://github.com/paritytech/capi/blob/main/examples/xcm/reserve_transfer.eg.ts#L6
• https://github.com/paritytech/capi/blob/main/examples/nfts.eg.ts#L5
• https://github.com/paritytech/capi/blob/main/examples/dev/metadata.eg.ts#L8

Output:

$ deno task test:eg:deno
Task test:eg:deno deno task test:eg test deno 'examples/**/*.eg.ts'
Task test:eg deno task run https://deno.land/x/egts@v0.1.0-beta.6/main.ts "test" "deno" "examples/**/*.eg.ts"
Task run deno task capi serve -- deno run -A -r=http://localhost:4646/ "https://deno.land/x/egts@v0.1.0-beta.6/main.ts" "test" "deno" "examples/**/*.eg.ts"
Task capi deno run -A main.ts "serve" "--" "deno" "run" "-A" "-r=http://localhost:4646/" "https://deno.land/x/egts@v0.1.0-beta.6/main.ts" "test" "deno" "examples/**/*.eg.ts"
Created Capi server instance at http://localhost:4646/
Testing "examples/raw_rpc/connection.eg.ts"
// ...
Skipped "examples/xcm/asset_teleportation.eg.ts"
Skipped "examples/xcm/reserve_transfer.eg.ts"
// ...
Skipped "examples/nfts.eg.ts"
// ...
Skipped "examples/dev/metadata.eg.ts"
// ...